PPCoin: RPC command 'sendcheckpoint'

[novacoin.git] / src / checkpoints.h

diff --git a/src/checkpoints.h b/src/checkpoints.h
index f06f81c..8ea1ec7 100644 (file)
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -16,122 +16,126 @@
 class uint256;
 class CBlockIndex;
 
-//
-// Block-chain checkpoints are compiled-in sanity checks.
-// They are updated every release or three.
-//
-namespace Checkpoints
+// ppcoin: synchronized checkpoint
+class CUnsignedSyncCheckpoint
 {
-    // Returns true if block passes checkpoint checks
-    bool CheckHardened(int nHeight, const uint256& hash);
-
-    // Return conservative estimate of total number of blocks, 0 if unknown
-    int GetTotalBlocksEstimate();
+public:
+    int nVersion;
+    uint256 hashCheckpoint;      // checkpoint block
+
+    IMPLEMENT_SERIALIZE
+    (
+        READWRITE(this->nVersion);
+        nVersion = this->nVersion;
+        READWRITE(hashCheckpoint);
+    )
+
+    void SetNull()
+    {
+        nVersion = 1;
+        hashCheckpoint = 0;
+    }
 
-    // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint
-    CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex);
+    std::string ToString() const
+    {
+        return strprintf(
+                "CSyncCheckpoint(\n"
+                "    nVersion       = %d\n"
+                "    hashCheckpoint = %s\n"
+                ")\n",
+            nVersion,
+            hashCheckpoint.ToString().c_str());
+    }
+
+    void print() const
+    {
+        printf("%s", ToString().c_str());
+    }
+};
 
-    // ppcoin: synchronized checkpoint
-    extern uint256 hashSyncCheckpoint;
+class CSyncCheckpoint : public CUnsignedSyncCheckpoint
+{
+public:
+    std::vector<unsigned char> vchMsg;
+    std::vector<unsigned char> vchSig;
 
-    class CUnsignedSyncCheckpoint
+    CSyncCheckpoint()
     {
-    public:
-        int nVersion;
-        uint256 hashCheckpoint;      // checkpoint block
-
-        IMPLEMENT_SERIALIZE
-        (
-            READWRITE(this->nVersion);
-            nVersion = this->nVersion;
-            READWRITE(hashCheckpoint);
-        )
-
-        void SetNull()
-        {
-            nVersion = 1;
-            hashCheckpoint = 0;
-        }
+        SetNull();
+    }
 
-        std::string ToString() const
-        {
-            return strprintf(
-                    "CSyncCheckpoint(\n"
-                    "    nVersion       = %d\n"
-                    "    hashCheckpoint = %s\n"
-                    ")\n",
-                nVersion,
-                hashCheckpoint.ToString().c_str());
-        }
+    IMPLEMENT_SERIALIZE
+    (
+        READWRITE(vchMsg);
+        READWRITE(vchSig);
+    )
 
-        void print() const
-        {
-            printf("%s", ToString().c_str());
-        }
-    };
+    void SetNull()
+    {
+        CUnsignedSyncCheckpoint::SetNull();
+        vchMsg.clear();
+        vchSig.clear();
+    }
 
-    class CSyncCheckpoint : public CUnsignedSyncCheckpoint
+    bool IsNull() const
     {
-    public:
-        std::vector<unsigned char> vchMsg;
-        std::vector<unsigned char> vchSig;
+        return (hashCheckpoint == 0);
+    }
 
-        CSyncCheckpoint()
+    uint256 GetHash() const
+    {
+        return SerializeHash(*this);
+    }
+
+    bool RelayTo(CNode* pnode) const
+    {
+        // returns true if wasn't already sent
+        if (pnode->hashCheckpointKnown != hashCheckpoint)
         {
-            SetNull();
+            pnode->hashCheckpointKnown = hashCheckpoint;
+            pnode->PushMessage("checkpoint", *this);
+            return true;
         }
+        return false;
+    }
 
-        IMPLEMENT_SERIALIZE
-        (
-            READWRITE(vchMsg);
-            READWRITE(vchSig);
-        )
+    bool CheckSignature()
+    {
+        CKey key;
+        if (!key.SetPubKey(ParseHex("04ea21daea8c15559870b5e93750ddc2f0c16bd0cb16636ba88c0746cfac07912ec7ad14111cc4aedda12c2687c920c7b7b62fd67ca14eed53f2d1704ec72362ce")))
+            return error("CSyncCheckpoint::CheckSignature() : SetPubKey failed");
+        if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
+            return error("CSyncCheckpoint::CheckSignature() : verify signature failed");
 
-        void SetNull()
-        {
-            CUnsignedSyncCheckpoint::SetNull();
-            vchMsg.clear();
-            vchSig.clear();
-        }
+        // Now unserialize the data
+        CDataStream sMsg(vchMsg);
+        sMsg >> *(CUnsignedSyncCheckpoint*)this;
+        return true;
+    }
 
-        bool IsNull() const
-        {
-            return (hashCheckpoint == 0);
-        }
+    bool ProcessSyncCheckpoint(CNode* pfrom);
+};
 
-        uint256 GetHash() const
-        {
-            return SerializeHash(*this);
-        }
+//
+// Block-chain checkpoints are compiled-in sanity checks.
+// They are updated every release or three.
+//
+namespace Checkpoints
+{
+    // Returns true if block passes checkpoint checks
+    bool CheckHardened(int nHeight, const uint256& hash);
 
-        bool RelayTo(CNode* pnode) const
-        {
-            // returns true if wasn't already sent
-            if (pnode->hashCheckpointKnown != hashCheckpoint)
-            {
-                pnode->hashCheckpointKnown = hashCheckpoint;
-                pnode->PushMessage("checkpoint", *this);
-                return true;
-            }
-            return false;
-        }
+    // Return conservative estimate of total number of blocks, 0 if unknown
+    int GetTotalBlocksEstimate();
 
-        bool CheckSignature()
-        {
-            CKey key;
-            if (!key.SetPubKey(ParseHex("0487ca85b6ae9d311f996c7616d20d0c88a5b4f07d25e78f419019f35cce6522acf978b2d99f0e7a58db1f120439e5c1889266927854aa57c93956c2569188a539")))
-                return error("CSyncCheckpoint::CheckSignature() : SetPubKey failed");
-            if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
-                return error("CSyncCheckpoint::CheckSignature() : verify signature failed");
-
-            // Now unserialize the data
-            CDataStream sMsg(vchMsg);
-            sMsg >> *(CUnsignedSyncCheckpoint*)this;
-            return true;
-        }
+    // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint
+    CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex);
+
+    extern uint256 hashSyncCheckpoint;
+    extern CSyncCheckpoint checkpointMessage;
+    extern CCriticalSection cs_hashSyncCheckpoint;
 
-        bool ProcessSyncCheckpoint();
-    };
+    bool AcceptPendingSyncCheckpoint(uint256 hashAcceptedBlock);
 
     // ppcoin: automatic checkpoint
     extern int nAutoCheckpoint;